Modeling and control of adhesion force in railway rolling stocks

In this article, two models are developed for the adhesion force in railway rolling stocks. The first model is a static model based on a beam model, which is typically used to model automobile tires. The second model is a dynamic model based on a bristle model, in which the friction interface betwee...

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Bibliographic Details
Published in:IEEE Control Systems Magazine 2008-10, Vol.28 (5), p.44-58
Main Authors: Sung Hwan Park, Jong Kim, Jeong Ju Choi, Yamazaki, H.-o.
Format: Magazinearticle
Language:English
Subjects:
Adhesion
Adhesives
Applied sciences
Brakes
Computer science
control theory
systems
Computer simulation
Control system synthesis
Control systems
Control theory. Systems
Exact sciences and technology
Force control
Friction
Mathematical models
Modelling and identification
Pi control
Proportional control
Rail transportation
Rails
Railway engineering
Rolling stock
Sliding mode control
Studies
Testing
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Summary:In this article, two models are developed for the adhesion force in railway rolling stocks. The first model is a static model based on a beam model, which is typically used to model automobile tires. The second model is a dynamic model based on a bristle model, in which the friction interface between the rail and the wheel is modeled as contact between bristles. The validity of the beam model and bristle model is verified through an adhesion test using a brake performance test rig. We also develop wheel-slip brake control systems based on each friction model. One control system is a conventional proportional-integral (PI) control scheme, while the other is an adaptive sliding mode control (ASMC) scheme. The controller design process considers system uncertainties such as the traveling resistance, disturbance torque, and variation of the adhesion force according to the slip ratio and rail conditions. The mass of the rolling stocks is also considered as an uncertain parameter, and the adaptive law is based on Lyapunov stability theory. The performance and robustness of the PI and adaptive sliding mode wheel-slip brake control systems are evaluated through computer simulation.
ISSN:1066-033X
0272-1708
1941-000X
DOI:10.1109/MCS.2008.927334